2023•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

Processes for producing polyhydroxybutyrate and related polyhydroxyalkanoates in the plastids of higher plants

Christopher R. Somerville

Abstract

The present invention relates to a process for producing poly-D-(-)-3-hydroxybutyric acid (PHB) and related polyhydroxyalkanoates (PHA) in the plastids of plants. The production of PHB is accomplished by genetically transforming plants with modified genes from microorganisms. The genes encode the enzymes required to synthesize PHB from acetyl-CoA or related metabolites and are fused with additional plant sequences for targeting the enzymes to the plastid.

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Key concepts: Polyhydroxybutyrate, Polyhydroxyalkanoates, Plastid, Biology, Biochemistry, Chloroplast, Bacteria, Paleontology